The Collaborative International Dictionary of English v.0.48:

Delusive \De*lu"sive\, a. [See Delude.]
   Apt or fitted to delude; tending to mislead the mind;
   deceptive; beguiling; delusory; as, delusive arts; a delusive
   dream.
   [1913 Webster]

         Delusive and unsubstantial ideas.        --Whewell.
   -- De*lu"sive*ly, adv. -- De*lu"sive*ness, n.
   [1913 Webster]